11213022100 has 144 divisors (see below), whose sum is σ = 29128635648. Its totient is φ = 3663221760.

The previous prime is 11213022091. The next prime is 11213022101. The reversal of 11213022100 is 122031211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213022101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4716112 + ... + 4718488.

It is an arithmetic number, because the mean of its divisors is an integer number (202282192).

Almost surely, 2^11213022100 is an apocalyptic number.

11213022100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11213022100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14564317824).

11213022100 is an abundant number, since it is smaller than the sum of its proper divisors (17915613548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11213022100 is a wasteful number, since it uses less digits than its factorization.

11213022100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2714 (or 2707 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 11213022100 its reverse (122031211), we get a palindrome (11335053311).

The spelling of 11213022100 in words is "eleven billion, two hundred thirteen million, twenty-two thousand, one hundred".